EP0881280A1 - High-density powdered detergent composition - Google Patents
High-density powdered detergent composition Download PDFInfo
- Publication number
- EP0881280A1 EP0881280A1 EP97900463A EP97900463A EP0881280A1 EP 0881280 A1 EP0881280 A1 EP 0881280A1 EP 97900463 A EP97900463 A EP 97900463A EP 97900463 A EP97900463 A EP 97900463A EP 0881280 A1 EP0881280 A1 EP 0881280A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- detergent composition
- salts
- component
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000203 mixture Substances 0.000 title claims abstract description 83
- 239000003599 detergent Substances 0.000 title claims abstract description 69
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 16
- 239000003945 anionic surfactant Substances 0.000 claims abstract description 12
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical class OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims description 25
- -1 fatty acid salts Chemical class 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 4
- 125000006702 (C1-C18) alkyl group Chemical group 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 229920005646 polycarboxylate Polymers 0.000 claims description 3
- 150000003138 primary alcohols Chemical class 0.000 claims description 3
- 150000003333 secondary alcohols Chemical class 0.000 claims description 3
- 125000005907 alkyl ester group Chemical group 0.000 claims description 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 2
- 239000000194 fatty acid Substances 0.000 claims description 2
- 229930195729 fatty acid Natural products 0.000 claims description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract description 29
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 abstract description 27
- 229910021536 Zeolite Inorganic materials 0.000 abstract description 13
- 239000010457 zeolite Substances 0.000 abstract description 13
- 230000014759 maintenance of location Effects 0.000 abstract description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 27
- 238000005406 washing Methods 0.000 description 20
- 229910000323 aluminium silicate Inorganic materials 0.000 description 19
- 239000002245 particle Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 239000000377 silicon dioxide Substances 0.000 description 13
- 239000004094 surface-active agent Substances 0.000 description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 10
- 229910052681 coesite Inorganic materials 0.000 description 9
- 229910052906 cristobalite Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 150000004760 silicates Chemical class 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 229910052682 stishovite Inorganic materials 0.000 description 9
- 229910052905 tridymite Inorganic materials 0.000 description 9
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 8
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 7
- 229910052783 alkali metal Inorganic materials 0.000 description 7
- 239000000470 constituent Substances 0.000 description 7
- 239000011976 maleic acid Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 238000009472 formulation Methods 0.000 description 6
- 229920001519 homopolymer Polymers 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 102000004190 Enzymes Human genes 0.000 description 5
- 108090000790 Enzymes Proteins 0.000 description 5
- 150000001340 alkali metals Chemical group 0.000 description 5
- 229940088598 enzyme Drugs 0.000 description 5
- 239000003352 sequestering agent Substances 0.000 description 5
- 229910000029 sodium carbonate Inorganic materials 0.000 description 5
- 235000017550 sodium carbonate Nutrition 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical class COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000004365 Protease Substances 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000000872 buffer Substances 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 229910052593 corundum Inorganic materials 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004744 fabric Substances 0.000 description 4
- 239000007850 fluorescent dye Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 238000005469 granulation Methods 0.000 description 4
- 230000003179 granulation Effects 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- 108010059892 Cellulase Proteins 0.000 description 3
- 108090000371 Esterases Proteins 0.000 description 3
- 108090001060 Lipase Proteins 0.000 description 3
- 102000004882 Lipase Human genes 0.000 description 3
- 239000004367 Lipase Substances 0.000 description 3
- 108091005804 Peptidases Proteins 0.000 description 3
- BGRWYDHXPHLNKA-UHFFFAOYSA-N Tetraacetylethylenediamine Chemical compound CC(=O)N(C(C)=O)CCN(C(C)=O)C(C)=O BGRWYDHXPHLNKA-UHFFFAOYSA-N 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 229940106157 cellulase Drugs 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 229910052570 clay Inorganic materials 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229940040461 lipase Drugs 0.000 description 3
- 235000019421 lipase Nutrition 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000004382 Amylase Substances 0.000 description 2
- 108010065511 Amylases Proteins 0.000 description 2
- 102000013142 Amylases Human genes 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- 239000001692 EU approved anti-caking agent Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 229910003202 NH4 Inorganic materials 0.000 description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 235000019418 amylase Nutrition 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 238000004061 bleaching Methods 0.000 description 2
- 239000007844 bleaching agent Substances 0.000 description 2
- 108010089934 carbohydrase Proteins 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 150000001896 cresols Chemical class 0.000 description 2
- VTIIJXUACCWYHX-UHFFFAOYSA-L disodium;carboxylatooxy carbonate Chemical compound [Na+].[Na+].[O-]C(=O)OOC([O-])=O VTIIJXUACCWYHX-UHFFFAOYSA-L 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000001747 exhibiting effect Effects 0.000 description 2
- KEMQGTRYUADPNZ-UHFFFAOYSA-N heptadecanoic acid Chemical compound CCCCCCCCCCCCCCCCC(O)=O KEMQGTRYUADPNZ-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- DCEMCPAKSGRHCN-UHFFFAOYSA-N oxirane-2,3-dicarboxylic acid Chemical compound OC(=O)C1OC1C(O)=O DCEMCPAKSGRHCN-UHFFFAOYSA-N 0.000 description 2
- 239000002304 perfume Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 235000011007 phosphoric acid Nutrition 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
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- 239000011591 potassium Substances 0.000 description 2
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- 238000002310 reflectometry Methods 0.000 description 2
- 229940045872 sodium percarbonate Drugs 0.000 description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 2
- 229910052911 sodium silicate Inorganic materials 0.000 description 2
- 235000010265 sodium sulphite Nutrition 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
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- JIRHAGAOHOYLNO-UHFFFAOYSA-N (3-cyclopentyloxy-4-methoxyphenyl)methanol Chemical class COC1=CC=C(CO)C=C1OC1CCCC1 JIRHAGAOHOYLNO-UHFFFAOYSA-N 0.000 description 1
- YYGNTYWPHWGJRM-UHFFFAOYSA-N (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCCC=C(C)CCC=C(C)CCC=C(C)C YYGNTYWPHWGJRM-UHFFFAOYSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
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- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
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- ZIIUUSVHCHPIQD-UHFFFAOYSA-N 2,4,6-trimethyl-N-[3-(trifluoromethyl)phenyl]benzenesulfonamide Chemical compound CC1=CC(C)=CC(C)=C1S(=O)(=O)NC1=CC=CC(C(F)(F)F)=C1 ZIIUUSVHCHPIQD-UHFFFAOYSA-N 0.000 description 1
- CFPOJWPDQWJEMO-UHFFFAOYSA-N 2-(1,2-dicarboxyethoxy)butanedioic acid Chemical compound OC(=O)CC(C(O)=O)OC(C(O)=O)CC(O)=O CFPOJWPDQWJEMO-UHFFFAOYSA-N 0.000 description 1
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- BAECOWNUKCLBPZ-HIUWNOOHSA-N Triolein Natural products O([C@H](OCC(=O)CCCCCCC/C=C\CCCCCCCC)COC(=O)CCCCCCC/C=C\CCCCCCCC)C(=O)CCCCCCC/C=C\CCCCCCCC BAECOWNUKCLBPZ-HIUWNOOHSA-N 0.000 description 1
- PHYFQTYBJUILEZ-UHFFFAOYSA-N Trioleoylglycerol Natural products CCCCCCCCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCCCCCCCC)COC(=O)CCCCCCCC=CCCCCCCCC PHYFQTYBJUILEZ-UHFFFAOYSA-N 0.000 description 1
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- HJGMKWIPJMNGKW-UHFFFAOYSA-L [Na+].[Na+].OO.[O-]S([O-])(=O)=O Chemical compound [Na+].[Na+].OO.[O-]S([O-])(=O)=O HJGMKWIPJMNGKW-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
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- 150000003863 ammonium salts Chemical class 0.000 description 1
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- 150000008107 benzenesulfonic acids Chemical class 0.000 description 1
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- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
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- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
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- 239000003638 chemical reducing agent Substances 0.000 description 1
- OEYIOHPDSNJKLS-UHFFFAOYSA-N choline Chemical compound C[N+](C)(C)CCO OEYIOHPDSNJKLS-UHFFFAOYSA-N 0.000 description 1
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- 238000000354 decomposition reaction Methods 0.000 description 1
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- XPPKVPWEQAFLFU-UHFFFAOYSA-N diphosphoric acid Chemical compound OP(O)(=O)OP(O)(O)=O XPPKVPWEQAFLFU-UHFFFAOYSA-N 0.000 description 1
- PMPJQLCPEQFEJW-GNTLFSRWSA-L disodium;2-[(z)-2-[4-[4-[(z)-2-(2-sulfonatophenyl)ethenyl]phenyl]phenyl]ethenyl]benzenesulfonate Chemical group [Na+].[Na+].[O-]S(=O)(=O)C1=CC=CC=C1\C=C/C1=CC=C(C=2C=CC(\C=C/C=3C(=CC=CC=3)S([O-])(=O)=O)=CC=2)C=C1 PMPJQLCPEQFEJW-GNTLFSRWSA-L 0.000 description 1
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- PRAKJMSDJKAYCZ-UHFFFAOYSA-N dodecahydrosqualene Natural products CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 1
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- 108010093305 exopolygalacturonase Proteins 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 108010091264 gastric triacylglycerol lipase Proteins 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- PEYVWSJAZONVQK-UHFFFAOYSA-N hydroperoxy(oxo)borane Chemical compound OOB=O PEYVWSJAZONVQK-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 235000011073 invertase Nutrition 0.000 description 1
- YAQXGBBDJYBXKL-UHFFFAOYSA-N iron(2+);1,10-phenanthroline;dicyanide Chemical compound [Fe+2].N#[C-].N#[C-].C1=CN=C2C3=NC=CC=C3C=CC2=C1.C1=CN=C2C3=NC=CC=C3C=CC2=C1 YAQXGBBDJYBXKL-UHFFFAOYSA-N 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229940041615 kanuma Drugs 0.000 description 1
- 108010059345 keratinase Proteins 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 150000004701 malic acid derivatives Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000010446 mirabilite Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 150000004682 monohydrates Chemical class 0.000 description 1
- 229910021527 natrosilite Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000004967 organic peroxy acids Chemical class 0.000 description 1
- PXDJXZJSCPSGGI-UHFFFAOYSA-N palmityl palmitate Chemical compound CCCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCC PXDJXZJSCPSGGI-UHFFFAOYSA-N 0.000 description 1
- 229940116369 pancreatic lipase Drugs 0.000 description 1
- 229940055729 papain Drugs 0.000 description 1
- 235000019834 papain Nutrition 0.000 description 1
- 229940111202 pepsin Drugs 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 108010064470 polyaspartate Proteins 0.000 description 1
- 229920000867 polyelectrolyte Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 229940005657 pyrophosphoric acid Drugs 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 239000000429 sodium aluminium silicate Substances 0.000 description 1
- 235000012217 sodium aluminium silicate Nutrition 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 229940079827 sodium hydrogen sulfite Drugs 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 229960001922 sodium perborate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229910000031 sodium sesquicarbonate Inorganic materials 0.000 description 1
- 235000018341 sodium sesquicarbonate Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- RSIJVJUOQBWMIM-UHFFFAOYSA-L sodium sulfate decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]S([O-])(=O)=O RSIJVJUOQBWMIM-UHFFFAOYSA-L 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- YKLJGMBLPUQQOI-UHFFFAOYSA-M sodium;oxidooxy(oxo)borane Chemical compound [Na+].[O-]OB=O YKLJGMBLPUQQOI-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229940031439 squalene Drugs 0.000 description 1
- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 108010075550 termamyl Proteins 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical class CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
- 229940117972 triolein Drugs 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- OHOTVSOGTVKXEL-UHFFFAOYSA-K trisodium;2-[bis(carboxylatomethyl)amino]propanoate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C(C)N(CC([O-])=O)CC([O-])=O OHOTVSOGTVKXEL-UHFFFAOYSA-K 0.000 description 1
- WCTAGTRAWPDFQO-UHFFFAOYSA-K trisodium;hydrogen carbonate;carbonate Chemical compound [Na+].[Na+].[Na+].OC([O-])=O.[O-]C([O-])=O WCTAGTRAWPDFQO-UHFFFAOYSA-K 0.000 description 1
- 239000012588 trypsin Substances 0.000 description 1
- 229960001322 trypsin Drugs 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/83—Mixtures of non-ionic with anionic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
- C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
- C11D17/065—High-density particulate detergent compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/12—Water-insoluble compounds
- C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
- C11D3/1246—Silicates, e.g. diatomaceous earth
- C11D3/128—Aluminium silicates, e.g. zeolites
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/04—Carboxylic acids or salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
- C11D1/146—Sulfuric acid esters
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/02—Anionic compounds
- C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
- C11D1/28—Sulfonation products derived from fatty acids or their derivatives, e.g. esters, amides
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
Definitions
- the present invention relates to a high-density powdered detergent composition.
- it relates to a high-density powdered detergent composition exhibiting high detergency and containing an organic builder excellent in biodegradability.
- a detergent composition for clothes is basically composed of a surfactant which solubilizes soil, separates it from fibers, and dissolves or disperses it in a washing solution, an alkaline substance which accelerates the decomposition or solubilization of soil, a high-molecular compound which suspends soil in a washing solution, a sequestering agent which removes substances lowering the power of surfactants, for example, calcium or magnesium ions from a washing solution, and so on.
- builders for detergents generally refer to substances which do not exhibit detergency per se but can enhance the detergency of a surfactant when used together with the surfactant.
- the above-mentioned sequestering agent serves to make a surfactant exhibit its performance more effectively, thus being one of the extremely important builders for detergents.
- Phosphate salts such as sodium tripolyphosphate were formerly added to detergents for clothes as the sequestering agent.
- phosphate salts are believed to be one of the factors causing the eutrophication of lakes, marshes and so on.
- zeolite crystalline sodium aluminosilicate having a specific structure
- a detergent composition for clothes has changed in the form from the late 1980s, so that a so-called compact detergent which has a high bulk density and is lowered in the volume of the composition used per washing run is now widely used.
- the particles constituting such a compact detergent are more highly compacted than those constituting the detergent of the prior art, thus being problematic in solubility.
- zeolite which is one of the constituents of the compact detergent is insoluble in water per se, and therefore often causes the generation of water insolubles in conducting washing with the compact detergent.
- the applicant of the present invention have made attempts to solve this problem by exerting ingenuities in the formulation or production process of the compact detergent.
- such a solution is often accompanied with the restriction of the formulation. Under these circumstances, the development of a more excellent builder for detergents is being made for the purpose of attaining the progress of the industry.
- crystalline silicates are also used as builders for detergents.
- JP-A 60-227895 discloses the use of crystalline silicates as water softeners
- JP-A 6-10000, 2-178398 and 7-53992 disclose detergent compositions containing crystalline silicates
- JP-A 5-184946 and 6-116588 disclose specific crystalline silicates and detergent compositions containing them.
- zeolite is a water-insoluble builder for detergents.
- water-soluble builders for detergents include organic builders such as salts of polycarboxylic acids, and specific examples of such salts include citrates, malates, salts of nitrilotriacetic acid (NTA), salts of ethylenediaminetetraacetic acid (EDTA) and polymers of carboxylated vinyl compounds.
- NTA nitrilotriacetic acid
- EDTA ethylenediaminetetraacetic acid
- polymers of carboxylated vinyl compounds refers to, e.g., polyacrylate salts, salts of acrylic acid /maleic acid copolymers, and salts of olefin/maleic acid copolymers, whose molecular weights lie within the oligomeric region.
- these organic builders are disadvantageous in that the sequestering power is unsatisfactory, that the toxicity to fish has been pointed out and/or that the biodegradability is poor, so
- JP-A 6-248300 discloses a detergent composition containing an organic builder consisting of hydroxyiminodisuccinic acid salts in a specific amount.
- glycine-N,N-diacetic acid derivatives are excellent in biodegradability and sequestering power, and are therefore extremely suitable for builders for detergents (New Horizons' 95 Conference Lake George, New York, September 19-22, 1995).
- a surfactant mixture comprising 9% of FAS (a salt of sulfate ester of higher aliphatic alcohol) and 10% of a nonionic surfactant is used together with a glycine-N,N-diacetic acid derivative, zeolite, soda ash, perboric acid and/or TAED (tetraacetylethylenediamine).
- a detergent composition containing a glycine-N,N-diacetic acid derivative as the organic builder there is a good possibility of further enhancing the detergency of a detergent composition containing a glycine-N,N-diacetic acid derivative as the organic builder.
- a high-density detergent composition which comprises a surfactant component comprising an anionic surfactant as the base and a small amount of a specific nonionic surfactant exhibiting high detergency against oleaginous dirt, and a builder component comprising both the above organic builder and an inorganic builder such as zeolite or crystalline silicate.
- the present invention aims at providing a high-density detergent composition improved in detergency and comprising the above organic builder excellent in biodegradability and a surfactant component comprising an anionic surfactant as the base and a small amount of a specific nonionic surfactant, and further contains an inorganic builder.
- the inventors of the present invention have made extensive studies for attaining the above aim. As a result of the studies, they have found that the detergency of a surfactant system comprising an anionic surfactant as the base and a small amount of a specific nonionic surfactant can be enhanced by adding both a glycine-N,N-diacetic acid derivative serving as an organic builder and an inorganic builder in specific proportions respectively to the system.
- the present invention has been accomplished on the basis of this finding.
- the present invention provides a high-density powdered detergent composition which has a bulk density of 0.6 to 1.2 g/ml and which comprises 0.5 to 30% by weight of (a) a glycine-N,N-diacetic acid derivative represented by the following formula (I), 20 to 50% by weight of (b) an anionic surfactant, 0.5 to 5% by weight of (c) an ether-type nonionic surfactant having an HLB (Hydrophile Lypophile Balance) value of 10.5 to 15.0 and 1 to 30% by weight of (d) an aluminosilcate, each percentage being based on the total weight of the composition, and the component (c) being contained in an amount of 0.5 to 10.0 parts by weight per 100 parts by weight of the component (b): wherein R is C 1 -C 18 alkyl or C 2 -C 18 alkenyl; and M 1 , M 2 and M 3 are each H, Na, K or NH 4 .
- R is C 1 -C 18
- the present invention relates to a high-density powdered detergent composition which comprises 0.5 to 30% by weight of (a) a glycine-N,N-diacetic acid derivative represented by the following formula (Ia): (wherein R is C 1 -C 18 alkyl or alkenyl; and M is H, Na, K or NH 4 ), 20 to 50% by weight of (b) an anionic surfactant, 0.5 to 5% by weight of (c) an ether-type nonionic surfactant having an HLB (Hydrophile Lypophile Balance) value of 10.5 to 15.0, and 1 to 30% by weight of (d) an aluminosilicate, with the content of the component (c) being 0.5 to 10.0 parts by weight per 100 parts by weight of the component (b), and which has a bulk density of 0.6 to 1.2 g/ml.
- a glycine-N,N-diacetic acid derivative represented by the following formula (Ia): (wherein R is
- the organic builder to be used in the present invention is a glycine-N,N-diacetic acid derivative represented by the formula (I).
- M 1 , M 2 and M 3 are each generally hydrogen ion, sodium ion or potassium ion.
- the organic builder (a) is contained in the composition in an amount of 0.5 to 30% by weight, preferably 2 to 15% by weight.
- the compound (a) to be used in the present invention as the organic builder are disclosed in DE-A1 4319935, WO 94/29421 and so on. That is, the compounds (a) are known as builders to the public. However, what has been known about the compounds is only that the compounds function as ordinary builders for detergents.
- an organic builder is added to a system comprising a surfactant mixture which comprises an anionic surfactant as the base and a small amount of a specific nonionic surfactant and exhibits both ionic properties and the properties of a nonionic surfactant including excellent detergency against oleaginous dirt, and an inorganic builder. With respect to such a case, there is no information on which formulation can give the optimum detergency.
- anionic surfactant examples include C 10 -C 18 higher fatty acid salts, salts of sulfates of C 10 -C 18 linear and branched primary and secondary alcohols, salts of sulfates of C 8 -C 20 alcohol ethoxylates, alkyl(C 8 -C 18 )benzenesulfonic acid salts, paraffin-sulfonic acid salts, ⁇ -olefinsulfonic acid salts, ⁇ -sulfofatty acid salts and salts of alkyl esters of ⁇ -sulfofatty acids.
- anionic surfactants may be used each alone or as a mixture of two or more of them.
- component (b) is contained in the composition in an amount of 20 to 50% by weight, preferably 20 to 40%.
- the component (c) according to the present invention is an ether-type nonionic surfactant, specifically a polyoxyethylene alkyl ether which is prepared by the addition reaction of a linear or branched primary or secondary alcohol having 10 to 18 carbon atoms with on the average 4 to 13, preferably 5 to 10 ethylene oxide molecules.
- a nonionic surfactant has an HLB value (as calculated by Griffin's method) of 10.5 to 15.0, preferably 11.0 to 14.0.
- the component (c) is contained in the composition in an amount of 0.5 to 5% by weight, preferably 1 to 4.5% by weight.
- the amount of the component (c) exceeds 5% by weight, the resulting surfactant composition will be poor in detergency against inorganic dirt (power of washing inorganic dirt off) owing to its unsatisfactory ionic properties, while when it is less than 0.5%, no contribution of the use of a noionic surfactant toward the detergency will be observed.
- the component (c) must be used in an amount of 0.5 to 10.0 parts by weight per 100 parts by weight of the component (b).
- the aluminsilicate to be used in the present invention as the component (d) may be any of amorphous and crystalline ones.
- the amorphous aluminosilicate be one containing silicon in an amount of 30% by weight or above, still preferably 40% by weight or above in terms of SiO 2 .
- the use of such an amorphous aluminosilicate as to give a 5% dispersion (a dispersion of 5 g of a sample in 100 ml of water free from carbonic acid) having a pH of 9 or above brings about a detergent composition which exhibits excellent solubility even after the storage under high-humidity conditions.
- such an amorphous aluminosilicate is effective in protecting the detergent composition from the deterioration of solubility caused by storage under high-humidity conditions.
- the term "pH" used above with respect to a 5% amorphous aluminosilicate dispersion refers to a value as determined according to JIS K6220.
- amorphous aluminosilicate to be used in the present invention examples include those represented by the following formula (i): a(M 2 O) ⁇ Al 2 O 3 ⁇ b(SiO 2 ) ⁇ c(H 2 O) wherein M is alkali metal; and a, b and c represents the molar proportions of the constituent components respectively.
- a is a number of 0.7 to 2.0
- b is a number of 0.8 or above but below 4
- c is an arbitrary positive number.
- amorphous aluminosilicates exhibit high oil absorption and high cation exchange capacity.
- amorphous aluminosilicates those represented by the following formula (ii) are particularly preferable: Na 2 O ⁇ Al 2 O 3 ⁇ b(SiO 2 ) ⁇ c(H 2 O) wherein b is a number of 1.8 to 3.2; and c is a number of 1 to 6.
- Such amorphous aluminosilicates can be prepared by referring to the process disclosed in JP-A 6-179899 and EP-A 593014 corresponding thereto.
- crystalline aluminosilicate is generally called "zeolite", and is represented by the following formula (iii): a'(M 2 O) ⁇ Al 2 O 3 ⁇ b'(SiO 2 ) ⁇ w(H 2 O) wherein M is alkali metal; and a', b' and w represent the molar proportions of the constituent components respectively, with a', b' and w being generally a number of 0.7 to 1.5, a number of 0.8 or above but below 6, and an arbitrary positive number, respectively.
- crystalline aluminosilicates those represented by the following formula (iv) are particularly preferable: Na 2 O ⁇ Al 2 O 3 ⁇ n(SiO 2 ) ⁇ w(H 2 O) wherein n is a number of 1.8 to 3.0; and w is a number of 1 to 6.
- the crystalline aluminosilicate (zeolite) to be used in the present invention is desirably a synthetic zeolite having a mean primary particle diameter of 0.1 to 10 ⁇ m, for example, zeolite A, X or P.
- the zeolite may be added in the form of a powder and/or a dry agglomerate prepared by drying a zeolite slurry.
- the aluminosilicate (d) is contained in the composition in an amount of 1 to 30% by weight, preferably 5 to 25% by weight.
- the high-density powdered detergent composition of the present invention comprises the above components (a) to (d) as the essential components, it may further contain the following components.
- the high-density powdered detergent composition of the present invention contains a crystalline silicate.
- the crystalline silicate to be used in the present invention is preferably one essentially consisting of silicon dioxide (Si 2 O) and an alkali metal oxide (i.e., an alkali metal silicate), still preferably an alkali metal silicate having an SiO 2 to M 2 O ratio (wherein M is alkali metal) of 0.5 to 2.6.
- Examples of the crystalline silicate to be favorably used in the present invention include those having the following compositions (II) and (III): x(M 2 O) ⁇ y(SiO 2 ) ⁇ z(Me m O n ) ⁇ w(H 2 O) wherein M is a Group Ia element of the periodic table; Me is at least one element selected from among Group IIa, IIb, IIIa, IVa and VIII elements of the periodic table; y/x is a number of 0.5 to 2.6, preferably 1.5 to 2.2; z/x is a number of 0.01 to 1.0, preferably 0.02 to 0.9, still preferably 0.02 to 0.5; w is a number of 0 to 20; and n/m is a number of 0.5 to 2.0, and M 2 O ⁇ x'(SiO 2 ) ⁇ y'(H 2 O) wherein M is alkali metal; x' is a number of 1.5 to 2.6; and y' is 0 to
- the crystalline silicate represented by the formula (II) exhibits a pH of 11 or above in the state of a 0.1% by weight aqueous dispersion. That is, it is excellent in alkalinizing power (power of making an aqueous system basic by being dispersed or dissolved in the system). Further, the crystalline silicate exhibits a particularly high buffer capacity in the alkaline (basic) region and its buffer capacity is higher than that of sodium carbonate or potassium carbonate.
- the crystalline silicate represented by the formula (II) has an ion exchange capacity of at least 100 CaCO 3 mg/g, preferably 200 to 600 CaCO 3 mg/g, and therefore serves as one of the substances capable of capturing ions in the present invention.
- the crystalline silicate represented by the formula (II) exhibits both a high alkalinizing power and a high buffer capacity in the alkaline (basic) range, and further has a high ion exchange capacity.
- the crystalline silicate represented by the formula (II) have a mean particle diameter of 0.1 to 100 ⁇ m, still preferably 1 to 60 ⁇ m.
- the mean particle diameter exceeds 100 ⁇ m, the development of the ion exchange power of the silicate will be so slow as to bring about a lowering in the detergency, while when it is less than 0.1 ⁇ m, the resulting silicate will exhibit high absorptivity for moisture and CO 2 owing to its enhanced specific surface area to result in remarkably deteriorated quality.
- mean particle diameter used in this description refers to a median diameter of particle size distribution.
- the crystalline silicate having such a mean particle diameter can be produced by pulverizing crystalline silicate particles of somewhat large sizes by the use of a vibration mill, a hammer mill, a bowl mill, a roller mill or other pulverizer.
- the crystalline silicates represented by the formula (III) those wherein x' is 1.7 to 2.2 and y' is 0 are preferable, and those having a cation exchange capacity of 100 to 400 CaCO 3 mg/g are usable in the present invention.
- the crystalline silicate represented by the formula (III) serves as one of the substances capable of capturing ions.
- the crystalline silicate represented by the formula (III) exhibits both a high alkalinizing power and a high buffer capacity in the alkaline (basic) range, and further has a high ion exchange capacity.
- the crystalline silicate represented by the formula (III) can generally be prepared by firing amorphous glassy sodium silicate at 200 to 1000°C to crystallize it, though the production processes therefor are disclosed in JP-A 60-227895 and US 4664839 corresponding thereto. Details of the production thereof are described also in, for example, Phys. Chem. Glasses. 7 , p.p.127-138 (1966), Z. Kristallogr., 129 , p.p.396-404 (1969) and so on.
- the crystalline silicate represented by the formula (III) is commercially available, e.g., under the trade name of "Na-SKS-6" (composition: ⁇ -Na 2 Si 2 O 5 ) from Hoechst Ltd. as powder or granule.
- the crystalline silicate represented by the formula (III) as well as the one represented by the formula (II) have a mean particle diameter of 0.1 to 100 ⁇ m, still preferably 1 to 60 ⁇ m.
- the crystalline silicates represented by the formula (II) and those represented by the formula (III) may be used each alone or as a mixture of two or more of them. Further, it is preferable that the silicate(s) account for 5 to 100% by weight, still preferably 30 to 100% by weight of the alkaline substances contained in the composition.
- the crystalline silicate may be contained in the composition in an amount of 0 to 40% by weight, preferably 5 to 35% by weight.
- the high-density powdered detergent composition contain a polycarboxylate having an average molecular weight of hundreds to a hundred thousand, for example, a random copolymer comprising at least one monomer selected from the group consisting of maleic acid, maleic anhydride and salts of maleic acid with sodium, potassium and ammonium and at least one monomer copolymerizable therewith (such as C 1 -C 8 olefin, acrylic acid, methacrylic acid, itaconic acid or methallylsulfonic acid), or a homopolymer represented by the following formula (V): ( P ) l wherein P is a constituent unit of a homopolymer resulting from a homo
- the constituent unit of the homopolymer is one resulting from acrylic acid, methacrylic acid, maleic acid or the like.
- one or more members selected from among the above random copolymers and the homopolymers of the formula (V) be used in a total amount (or in an amount, when only one of them is used) of 1 to 8% by weight, still preferably 2 to 6% by weight based on the total amount of the detergent composition containing the same.
- these polycarboxylates salts of acrylic acid/maleic acid copolymers or polyacrylic acid with Na, K and/or NH 4 are particularly excellent.
- the average molecular weight thereof is preferably 1000 to 100000, still preferably 1000 to 80000.
- the high-density powdered detergent composition of the present invention can contain also the following inorganic or organic builders.
- the high-density powdered detergent composition of the present invention may further contain other conventional components for detergents at need, and such components include bleaching agents, bleaching activators, enzymes, enzyme stabilizers, bluing agents, anticaking agents, antioxidants, fluorescent dyes and perfumes.
- bleaching agents examples include sodium percarbonate, sodium perborate (with its monohydrate being preferable) and sodium sulfate-hydrogen peroxide adduct, among which sodium percarbonate is particularly preferable.
- bleaching activators examples include tetraacetylethylenediamine, acetoxybenzenesulfonic acid salts, organic peroxy acid precursors described in JP-A 59-22999 and US 4412934 corresponding thereto, JP-A 63-258447 and US 4751015 corresponding thereto, and JP-A 6-316700, and metal catalysts wherein transition metals are stabilized with sequestering agents.
- the enzyme to be optionally used in the present invention (which essentially exhibits enzymatic activity in the washing step) is preferably protease, esterase, lipase, carbohydrase, nuclease or pectinase.
- protease examples include pepsin, trypsin, chymotrypsin, collagenase, keratinase, elastase, subtilisin, BPN, papain, bromelin, carboxypeptidases A and B, aminopeptidase and aspergillopeptidases A and B, which are commercially available under the trade names of "Sabinase” and “Alkarase” (from Novo Industri), "API21” (from Showa Denko, K.K.) and Maxacal (from Gist-Brocades); and proteases K-14 and K-16 described in JP-A 5-25492 and US 5312561 corresponding thereto.
- esterase examples include gastric lipase, pancreatic lipase, plant lipase, phospholipase, choline esterase and phosphatase.
- the lipase may be a commercially available one such as "Lipolase” (a product of Novo Industri).
- carbohydrase examples include cellulase, maltase, saccharase, amylase, lysosyme, ⁇ -glycosidase and ⁇ -glycosidase.
- the cellulase may be "Celluzyme” (a product of Novo Industri) or a cellulase described in claim 4 of JP-A 63-264699 and US 4822516 and 4978470 corresponding thereto, while the amylase may be "Termamyl” (a product of Novo Industri) or the like.
- the enzyme stabilizers include reducing agents (such as sodium sulfite and sodium hydrogensulfite), calcium salts, magnesium salts, polyols, boron compounds and so on.
- bluing agents may also be added to the detergent composition at need.
- bluing agents whose chemical structures are disclosed in JP-B 49-8005, 49-26286 and 53-45808 are preferably used.
- anticaking agents examples include p-toluenesulfonic acid salts, xylenesulfonic acid salts, acetic acid salts, sulfosuccinic acid salts, talc, finely powdered silica, clay and magnesium oxide.
- finely divided silica and so on porous ones are usable also as carriers for nonionic surfactants.
- clay specifically, smectite clay is effective also as softener.
- antioxidants examples include t-butylhydroxytoluene, 4,4'-butylidenebis(6-t-butyl-3-methylphenol), 2,2'-butylidenebis(6-t-butyl-4-methylphenol), monostyrenated cresol, distyrenated cresol, monostyrenated phenol, distyrenated phenol and 1,1'-bis(4-hydroxyphenyl)cyclohexane.
- the detergent composition may contain a fluorescent dye in an amount exceeding 0% by weight but up to 1% by weight, the fluorescent dye being at least one member selected from the group consisting of 4,4'-bis(2-sulfostyryl)biphenyl salts, 4,4'-bis(4-chloro-3-sulfostyryl)biphenyl salts, 2-(styrylphenyl)naphthothiazole derivatives, 4,4'-bis-(triazol-2-yl)stilbene derivatives and bis(triazinylamino)stilbenedisulfonic acid derivatives.
- a fluorescent dye in an amount exceeding 0% by weight but up to 1% by weight, the fluorescent dye being at least one member selected from the group consisting of 4,4'-bis(2-sulfostyryl)biphenyl salts, 4,4'-bis(4-chloro-3-sulfostyryl)biphenyl salts, 2-(styrylphenyl)naph
- perfumes examples include conventional ones for detergents as described in JP-A 63-101496.
- the high-density powdered detergent composition of the present invention takes a powdery or granular form.
- the process for producing the composition is not particularly limited, but may be any known one.
- the bulk density of the composition can be enhanced by a process of spraying a nonionic surfactant on spray-dried particles, a process of making a powdery component containing an oil-absorbing carrier occlude a nonionic surfactant, or by referring to the processes described in JP-A 61-69897, 61-69899 and 61-69900, JP-A 2-222498 and US 5052122 corresponding to it, JP-A 2-222499, JP-A 3-33199 and EP-A 339996 corresponding to it, JP-A 5-86400 and US 5282996 corresponding to it, and JP-A 5-209200 and US 5468516 corresponding to it.
- a small portion of the crystalline aluminosilicate may be added during the granulation or just before the completion of the granulation as the surface modifier for the granules.
- a crystalline silicate it is preferable that the silicate be added in the step of enhancing the bulk density or dry-blended with the granules.
- an alkali metal carbonate it may be added to the slurry or at any step during the granulation, or dry-blended with the granules.
- the high-density powdered detergent composition of the present invention has a mean particle diameter of 200 to 1000 ⁇ m, particularly 200 to 600 ⁇ m. Further, the detergent composition of the present invention has a bulk density of 0.6 to 1.2 g/ml, preferably 0.6 to 1.0 g/ml.
- the detergent composition of the present invention may be used in a suitable concentration, which depends on which of several washing methods (such as machine washing and immersion) is employed, quantity of clothes or water, extent of stains, operating conditions of the machine, or the like.
- the composition may be used in a concentration of 0.03 to 0.3% by weight.
- the present invention can provide a high-density powdered detergent composition which contains both an organic builder excellent in biodegradability and an inorganic builder and is enhanced in detergency.
- Composition 1 specified in Table 1 was prepared according to the following procedure.
- An aqueous slurry having a solid content of 60% by weight was prepared by using 0.5 kg of MGDA, 0.55 kg of crystalline aluminosilicate, 4.0 kg of LAS, 0.3 kg of AA-MA copolymer, 0.4 kg of FA, 0.25 kg of sodium silicate and 0.9 kg of soda ash (sodium carbonate).
- the obtained slurry was subjected to spray drying.
- the particles thus obtained were put in a Lödige mixer (mfd.
- the other high-density powdered detergent compositions were also prepared according to the same procedure as that described above except that components listed in Tables 1 to 3 were used in proportions specified in Tables 1 to 3.
- the obtained powdered detergent compositions had bulk densities of 0.800 ⁇ 0.050 g/ml.
- the high-density powdered detergent compositions were subjected to the following detergency test. The results are given in Tables 1 to 3.
- each detergent composition was determined by measuring the reflectivities at 550 nm of the unstained cloth and the stained cloth before and after the washing by the use of a self-colorimeter (mfd. by Shimadzu Corporation) and calculating the rate (%) of cleansing according to the following formula.
- the rates of cleansing observed with respect to the five cloths were averaged, and the average is given in Tables 1 to 3 as the rate of cleansing of the composition.
- Rate of cleansing (%) (reflectivity after washing - that before washing)/(that of unstained cloth - that before washing) ⁇ 100
Abstract
A high-density powdered detergent composition which has
a bulk density of 0.6 to 1.2 g/ml and which comprises 0.5 to
30% by weight of (a) a glycine-N,N-diacetic acid derivative,
20 to 50% by weight of (b) an anionic surfactant, 0.5 to 5%
by weight of (c) an ether-type nonionic surfactant having an
HLB value of 10.5 to 15.0 and 1 to 30% by weight of (d) an
aluminosilcate, each percentage being based on the total
weight of the composition, and the component (c) being
contained in an amount of 0.5 to 10.0 parts by weight per 100
parts by weight of the component (b). This composition
contains both a glycine-N,N-diacetic acid derivative which is
a builder excellent in biodegradability and sequestering power
and an inorganic builder such as zeolite or crystalline
silicate, and exhibits high detergency.
Description
The present invention relates to a high-density powdered
detergent composition. In particular, it relates to a
high-density powdered detergent composition exhibiting high
detergency and containing an organic builder excellent in
biodegradability.
A detergent composition for clothes is basically composed
of a surfactant which solubilizes soil, separates it from
fibers, and dissolves or disperses it in a washing solution,
an alkaline substance which accelerates the decomposition or
solubilization of soil, a high-molecular compound which
suspends soil in a washing solution, a sequestering agent which
removes substances lowering the power of surfactants, for
example, calcium or magnesium ions from a washing solution,
and so on.
Among these components, "builders for detergents"
generally refer to substances which do not exhibit detergency
per se but can enhance the detergency of a surfactant when used
together with the surfactant. Among such builders for
detergents, the above-mentioned sequestering agent serves to
make a surfactant exhibit its performance more effectively,
thus being one of the extremely important builders for
detergents.
Phosphate salts such as sodium tripolyphosphate were
formerly added to detergents for clothes as the sequestering
agent. However, phosphate salts are believed to be one of the
factors causing the eutrophication of lakes, marshes and so
on. In the detergent industry, therefore, the development of
a detergent not containing any phosphate builder has been
continued. As a result, a crystalline sodium aluminosilicate
having a specific structure (which is called "zeolite" in the
detergent industry) is currently used as the main component
of the sequestering agent, because it is free from the above
problem unlike phosphate builders and has recently been
stabilized in the cost.
Further, a detergent composition for clothes has changed
in the form from the late 1980s, so that a so-called compact
detergent which has a high bulk density and is lowered in the
volume of the composition used per washing run is now widely
used. However, the particles constituting such a compact
detergent are more highly compacted than those constituting
the detergent of the prior art, thus being problematic in
solubility. In particular, zeolite which is one of the
constituents of the compact detergent is insoluble in water
per se, and therefore often causes the generation of water
insolubles in conducting washing with the compact detergent.
The applicant of the present invention have made attempts to
solve this problem by exerting ingenuities in the formulation
or production process of the compact detergent. However, such
a solution is often accompanied with the restriction of the
formulation. Under these circumstances, the development of
a more excellent builder for detergents is being made for the
purpose of attaining the progress of the industry.
In addition to zeolite, crystalline silicates are also
used as builders for detergents. For example, JP-A 60-227895
discloses the use of crystalline silicates as water softeners;
JP-A 6-10000, 2-178398 and 7-53992 disclose detergent
compositions containing crystalline silicates; and JP-A
5-184946 and 6-116588 disclose specific crystalline silicates
and detergent compositions containing them.
As described above, zeolite is a water-insoluble builder
for detergents. On the other hand, water-soluble builders for
detergents include organic builders such as salts of
polycarboxylic acids, and specific examples of such salts
include citrates, malates, salts of nitrilotriacetic acid
(NTA), salts of ethylenediaminetetraacetic acid (EDTA) and
polymers of carboxylated vinyl compounds. The term "polymers
of carboxylated vinyl compounds" refers to, e.g., polyacrylate
salts, salts of acrylic acid /maleic acid copolymers, and salts
of olefin/maleic acid copolymers, whose molecular weights lie
within the oligomeric region. However, these organic
builders are disadvantageous in that the sequestering power
is unsatisfactory, that the toxicity to fish has been pointed
out and/or that the biodegradability is poor, so that concern
is shown for the use of the organic builders.
From the standpoint of the influence on the environment,
studies have recently been made on builders excellent in
biodegradability and sequestering power. For example,
specific organic builders prepared by the reaction of
epoxysuccinic acid or maleic acid with aspartic acid and
detergent compositions containing them are disclosed in JP-A
5-170714, and this patent document also describes that these
builders are excellent in biodegradability and detergency-enhancing
effect. Further, JP-A 6-248300 discloses a
detergent composition containing an organic builder
consisting of hydroxyiminodisuccinic acid salts in a specific
amount. Furthermore, it has been reported by BASF that
glycine-N,N-diacetic acid derivatives are excellent in
biodegradability and sequestering power, and are therefore
extremely suitable for builders for detergents (New Horizons'
95 Conference Lake George, New York, September 19-22, 1995).
In the detergent composition reported in this conference, a
surfactant mixture comprising 9% of FAS (a salt of sulfate
ester of higher aliphatic alcohol) and 10% of a nonionic
surfactant is used together with a glycine-N,N-diacetic acid
derivative, zeolite, soda ash, perboric acid and/or TAED
(tetraacetylethylenediamine).
Meanwhile, it is believed that there is a good possibility
of further enhancing the detergency of a detergent composition
containing a glycine-N,N-diacetic acid derivative as the
organic builder. In particular, no optimum formulation has
been found as yet with respect to a high-density detergent
composition which comprises a surfactant component comprising
an anionic surfactant as the base and a small amount of a
specific nonionic surfactant exhibiting high detergency
against oleaginous dirt, and a builder component comprising
both the above organic builder and an inorganic builder such
as zeolite or crystalline silicate.
Under these circumstances, the present invention aims
at providing a high-density detergent composition improved in
detergency and comprising the above organic builder excellent
in biodegradability and a surfactant component comprising an
anionic surfactant as the base and a small amount of a specific
nonionic surfactant, and further contains an inorganic
builder.
The inventors of the present invention have made
extensive studies for attaining the above aim. As a result
of the studies, they have found that the detergency of a
surfactant system comprising an anionic surfactant as the base
and a small amount of a specific nonionic surfactant can be
enhanced by adding both a glycine-N,N-diacetic acid derivative
serving as an organic builder and an inorganic builder in
specific proportions respectively to the system. The present
invention has been accomplished on the basis of this finding.
Namely, the present invention provides a high-density
powdered detergent composition which has a bulk density of 0.6
to 1.2 g/ml and which comprises 0.5 to 30% by weight of (a)
a glycine-N,N-diacetic acid derivative represented by the
following formula (I), 20 to 50% by weight of (b) an anionic
surfactant, 0.5 to 5% by weight of (c) an ether-type nonionic
surfactant having an HLB (Hydrophile Lypophile Balance) value
of 10.5 to 15.0 and 1 to 30% by weight of (d) an aluminosilcate,
each percentage being based on the total weight of the
composition, and the component (c) being contained in an amount
of 0.5 to 10.0 parts by weight per 100 parts by weight of the
component (b):
wherein R is C1-C18 alkyl or C2-C18 alkenyl; and M1, M2 and M3
are each H, Na, K or NH4.
In other words, the present invention relates to a
high-density powdered detergent composition which comprises
0.5 to 30% by weight of (a) a glycine-N,N-diacetic acid
derivative represented by the following formula (Ia):
(wherein R is C1-C18 alkyl or alkenyl; and M is H, Na, K or NH4),
20 to 50% by weight of (b) an anionic surfactant,
0.5 to 5% by weight of (c) an ether-type nonionic surfactant
having an HLB (Hydrophile Lypophile Balance) value of 10.5 to
15.0, and
1 to 30% by weight of (d) an aluminosilicate,
with the content of the component (c) being 0.5 to 10.0 parts by weight per 100 parts by weight of the component (b), and which has a bulk density of 0.6 to 1.2 g/ml.
1 to 30% by weight of (d) an aluminosilicate,
with the content of the component (c) being 0.5 to 10.0 parts by weight per 100 parts by weight of the component (b), and which has a bulk density of 0.6 to 1.2 g/ml.
The high-density powdered detergent composition of the
present invention will now be described in detail.
The organic builder to be used in the present invention
is a glycine-N,N-diacetic acid derivative represented by the
formula (I).
In the formula (I), M1, M2 and M3 (i.e., counter ions) are
each generally hydrogen ion, sodium ion or potassium ion.
In the present invention, it is necessary from the
standpoint of the detergency of the detergent composition that
the organic builder (a) is contained in the composition in an
amount of 0.5 to 30% by weight, preferably 2 to 15% by weight.
Specific examples of the compound (a) to be used in the
present invention as the organic builder are disclosed in DE-A1
4319935, WO 94/29421 and so on. That is, the compounds (a)
are known as builders to the public. However, what has been
known about the compounds is only that the compounds function
as ordinary builders for detergents. In the present invention,
meanwhile, an organic builder is added to a system comprising
a surfactant mixture which comprises an anionic surfactant as
the base and a small amount of a specific nonionic surfactant
and exhibits both ionic properties and the properties of a
nonionic surfactant including excellent detergency against
oleaginous dirt, and an inorganic builder. With respect to
such a case, there is no information on which formulation can
give the optimum detergency.
Examples of the anionic surfactant include C10-C18 higher
fatty acid salts, salts of sulfates of C10-C18 linear and
branched primary and secondary alcohols, salts of sulfates of
C8-C20 alcohol ethoxylates, alkyl(C8-C18)benzenesulfonic acid
salts, paraffin-sulfonic acid salts, α-olefinsulfonic acid
salts, α-sulfofatty acid salts and salts of alkyl esters of
α-sulfofatty acids.
These anionic surfactants may be used each alone or as
a mixture of two or more of them.
It is necessary from the standpoint of the detergency
that the component (b) is contained in the composition in an
amount of 20 to 50% by weight, preferably 20 to 40%.
The component (c) according to the present invention is
an ether-type nonionic surfactant, specifically a
polyoxyethylene alkyl ether which is prepared by the addition
reaction of a linear or branched primary or secondary alcohol
having 10 to 18 carbon atoms with on the average 4 to 13,
preferably 5 to 10 ethylene oxide molecules. Such a nonionic
surfactant has an HLB value (as calculated by Griffin's method)
of 10.5 to 15.0, preferably 11.0 to 14.0.
The component (c) is contained in the composition in an
amount of 0.5 to 5% by weight, preferably 1 to 4.5% by weight.
When the amount of the component (c) exceeds 5% by weight, the
resulting surfactant composition will be poor in detergency
against inorganic dirt (power of washing inorganic dirt off)
owing to its unsatisfactory ionic properties, while when it
is less than 0.5%, no contribution of the use of a noionic
surfactant toward the detergency will be observed. Further,
the component (c) must be used in an amount of 0.5 to 10.0 parts
by weight per 100 parts by weight of the component (b).
The aluminsilicate to be used in the present invention
as the component (d) may be any of amorphous and crystalline
ones.
It is preferable that the amorphous aluminosilicate be
one containing silicon in an amount of 30% by weight or above,
still preferably 40% by weight or above in terms of SiO2.
Further, the use of such an amorphous aluminosilicate as to
give a 5% dispersion (a dispersion of 5 g of a sample in 100
ml of water free from carbonic acid) having a pH of 9 or above
brings about a detergent composition which exhibits excellent
solubility even after the storage under high-humidity
conditions. In other words, such an amorphous
aluminosilicate is effective in protecting the detergent
composition from the deterioration of solubility caused by
storage under high-humidity conditions. The term "pH" used
above with respect to a 5% amorphous aluminosilicate
dispersion refers to a value as determined according to JIS
K6220.
Examples of the amorphous aluminosilicate to be used in
the present invention include those represented by the
following formula (i):
a(M2O) · Al2O3 · b(SiO2) · c(H2O)
wherein M is alkali metal; and a, b and c represents the molar
proportions of the constituent components respectively. In
general, a is a number of 0.7 to 2.0, b is a number of 0.8 or
above but below 4, and c is an arbitrary positive number.
These amorphous aluminosilicates exhibit high oil
absorption and high cation exchange capacity.
Among the above amorphous aluminosilicates, those
represented by the following formula (ii) are particularly
preferable:
Na2O · Al2O3 · b(SiO2) · c(H2O)
wherein b is a number of 1.8 to 3.2; and c is a number of 1
to 6.
Such amorphous aluminosilicates can be prepared by
referring to the process disclosed in JP-A 6-179899 and EP-A
593014 corresponding thereto.
On the other hand, crystalline aluminosilicate is
generally called "zeolite", and is represented by the
following formula (iii):
a'(M2O) · Al2O3 · b'(SiO2) · w(H2O)
wherein M is alkali metal; and a', b' and w represent the molar
proportions of the constituent components respectively, with
a', b' and w being generally a number of 0.7 to 1.5, a number
of 0.8 or above but below 6, and an arbitrary positive number,
respectively.
Among the above crystalline aluminosilicates, those
represented by the following formula (iv) are particularly
preferable:
Na2O · Al2O3 · n(SiO2) · w(H2O)
wherein n is a number of 1.8 to 3.0; and w is a number of 1
to 6.
The crystalline aluminosilicate (zeolite) to be used in
the present invention is desirably a synthetic zeolite having
a mean primary particle diameter of 0.1 to 10 µm, for example,
zeolite A, X or P. The zeolite may be added in the form of
a powder and/or a dry agglomerate prepared by drying a zeolite
slurry.
In the present invention, it is necessary from the
standpoint of the detergency of the resulting detergent
composition that the aluminosilicate (d) is contained in the
composition in an amount of 1 to 30% by weight, preferably 5
to 25% by weight.
Although the high-density powdered detergent
composition of the present invention comprises the above
components (a) to (d) as the essential components, it may
further contain the following components.
It is desirable from the standpoint of detergency that
the high-density powdered detergent composition of the present
invention contains a crystalline silicate. The crystalline
silicate to be used in the present invention is preferably one
essentially consisting of silicon dioxide (Si2O) and an alkali
metal oxide (i.e., an alkali metal silicate), still preferably
an alkali metal silicate having an SiO2 to M2O ratio (wherein
M is alkali metal) of 0.5 to 2.6. Although there have been
known crystalline silicates having SiO2 to M2O ratios (wherein
M is Na) of 1.9 to 4.0, crystalline silicates having silicone
dioxide to alkali metal oxide ratios exceeding 2.6 are often
unusable as the constituent of the high-density powdered
detergent composition of the present invention.
Examples of the crystalline silicate to be favorably used
in the present invention include those having the following
compositions (II) and (III):
x(M2O) · y(SiO2) · z(MemOn) · w(H2O)
wherein M is a Group Ia element of the periodic table; Me is
at least one element selected from among Group IIa, IIb, IIIa,
IVa and VIII elements of the periodic table; y/x is a number
of 0.5 to 2.6, preferably 1.5 to 2.2; z/x is a number of 0.01
to 1.0, preferably 0.02 to 0.9, still preferably 0.02 to 0.5;
w is a number of 0 to 20; and n/m is a number of 0.5 to 2.0,
and
M2O · x'(SiO2) · y'(H2O)
wherein M is alkali metal; x' is a number of 1.5 to 2.6; and
y' is 0 to 20.
Specific examples of the crystalline silicate
represented by the above formula (II) are disclosed in JP-A
5-279013 and 7-89712 and US 5427711 corresponding to them.
The crystalline silicates disclosed therein can be used in the
present invention.
The crystalline silicate represented by the formula (II)
exhibits a pH of 11 or above in the state of a 0.1% by weight
aqueous dispersion. That is, it is excellent in alkalinizing
power (power of making an aqueous system basic by being
dispersed or dissolved in the system). Further, the
crystalline silicate exhibits a particularly high buffer
capacity in the alkaline (basic) region and its buffer capacity
is higher than that of sodium carbonate or potassium carbonate.
The crystalline silicate represented by the formula (II)
has an ion exchange capacity of at least 100 CaCO3 mg/g,
preferably 200 to 600 CaCO3 mg/g, and therefore serves as one
of the substances capable of capturing ions in the present
invention.
As described above, the crystalline silicate represented
by the formula (II) exhibits both a high alkalinizing power
and a high buffer capacity in the alkaline (basic) range, and
further has a high ion exchange capacity.
It is preferable that the crystalline silicate
represented by the formula (II) have a mean particle diameter
of 0.1 to 100 µm, still preferably 1 to 60 µm. When the mean
particle diameter exceeds 100 µm, the development of the ion
exchange power of the silicate will be so slow as to bring about
a lowering in the detergency, while when it is less than 0.1
µm, the resulting silicate will exhibit high absorptivity for
moisture and CO2 owing to its enhanced specific surface area
to result in remarkably deteriorated quality. The term "mean
particle diameter" used in this description refers to a median
diameter of particle size distribution.
The crystalline silicate having such a mean particle
diameter can be produced by pulverizing crystalline silicate
particles of somewhat large sizes by the use of a vibration
mill, a hammer mill, a bowl mill, a roller mill or other
pulverizer.
Next, the crystalline silicate represented by the formula
(III) will be described.
Among the crystalline silicates represented by the
formula (III), those wherein x' is 1.7 to 2.2 and y' is 0 are
preferable, and those having a cation exchange capacity of 100
to 400 CaCO3 mg/g are usable in the present invention. In the
present invention, the crystalline silicate represented by the
formula (III) serves as one of the substances capable of
capturing ions.
As described above, the crystalline silicate represented
by the formula (III) exhibits both a high alkalinizing power
and a high buffer capacity in the alkaline (basic) range, and
further has a high ion exchange capacity.
The crystalline silicate represented by the formula (III)
can generally be prepared by firing amorphous glassy sodium
silicate at 200 to 1000°C to crystallize it, though the
production processes therefor are disclosed in JP-A 60-227895
and US 4664839 corresponding thereto. Details of the
production thereof are described also in, for example, Phys.
Chem. Glasses. 7, p.p.127-138 (1966), Z. Kristallogr., 129,
p.p.396-404 (1969) and so on. Further, the crystalline
silicate represented by the formula (III) is commercially
available, e.g., under the trade name of "Na-SKS-6"
(composition: δ-Na2Si2O5) from Hoechst Ltd. as powder or
granule.
It is preferable that the crystalline silicate
represented by the formula (III) as well as the one represented
by the formula (II) have a mean particle diameter of 0.1 to
100 µm, still preferably 1 to 60 µm.
In the present invention, the crystalline silicates
represented by the formula (II) and those represented by the
formula (III) may be used each alone or as a mixture of two
or more of them. Further, it is preferable that the
silicate(s) account for 5 to 100% by weight, still preferably
30 to 100% by weight of the alkaline substances contained in
the composition.
From the standpoints of the detergency of the composition
and the physical properties thereof as powder, the crystalline
silicate may be contained in the composition in an amount of
0 to 40% by weight, preferably 5 to 35% by weight.
A builder has both the effect of separating solid-particle
dirt from clothes and dispersing it in a washing
solution and the effect of preventing the solid-particle dirt
thus dispersed from redepositing on clothes (resoiling
clothes). In order to attain such effects of a builder
sufficiently, it is preferable that the high-density powdered
detergent composition contain a polycarboxylate having an
average molecular weight of hundreds to a hundred thousand,
for example, a random copolymer comprising at least one monomer
selected from the group consisting of maleic acid, maleic
anhydride and salts of maleic acid with sodium, potassium and
ammonium and at least one monomer copolymerizable therewith
(such as C1-C8 olefin, acrylic acid, methacrylic acid, itaconic
acid or methallylsulfonic acid), or a homopolymer represented
by the following formula (V):
( P )l
wherein P is a constituent unit of a homopolymer resulting from
a homopolymerizable monomer; and l is a value giving a
homopolymer having an average molecular weight of hundreds to
a hundred thousand. In this homopolymer, at least part of the
constituent units (P's) are converted into at least one salt
selected from the group consisting of sodium salt, potassium
salt and ammonium salt.
In the above formula (V), the constituent unit of the
homopolymer is one resulting from acrylic acid, methacrylic
acid, maleic acid or the like.
In the present invention, it is preferable that one or
more members selected from among the above random copolymers
and the homopolymers of the formula (V) be used in a total amount
(or in an amount, when only one of them is used) of 1 to 8%
by weight, still preferably 2 to 6% by weight based on the total
amount of the detergent composition containing the same.
Among these polycarboxylates, salts of acrylic acid/maleic
acid copolymers or polyacrylic acid with Na, K and/or NH4 are
particularly excellent. The average molecular weight thereof
is preferably 1000 to 100000, still preferably 1000 to 80000.
In addition to the above builders, the high-density
powdered detergent composition of the present invention can
contain also the following inorganic or organic builders.
The high-density powdered detergent composition of the
present invention may further contain other conventional
components for detergents at need, and such components include
bleaching agents, bleaching activators, enzymes, enzyme
stabilizers, bluing agents, anticaking agents, antioxidants,
fluorescent dyes and perfumes.
Examples of the bleaching agents include sodium
percarbonate, sodium perborate (with its monohydrate being
preferable) and sodium sulfate-hydrogen peroxide adduct,
among which sodium percarbonate is particularly preferable.
Examples of the bleaching activators include
tetraacetylethylenediamine, acetoxybenzenesulfonic acid
salts, organic peroxy acid precursors described in JP-A
59-22999 and US 4412934 corresponding thereto, JP-A 63-258447
and US 4751015 corresponding thereto, and JP-A 6-316700, and
metal catalysts wherein transition metals are stabilized with
sequestering agents.
The enzyme to be optionally used in the present invention
(which essentially exhibits enzymatic activity in the washing
step) is preferably protease, esterase, lipase, carbohydrase,
nuclease or pectinase.
Specific examples of the protease include pepsin, trypsin,
chymotrypsin, collagenase, keratinase, elastase, subtilisin,
BPN, papain, bromelin, carboxypeptidases A and B,
aminopeptidase and aspergillopeptidases A and B, which are
commercially available under the trade names of "Sabinase" and
"Alkarase" (from Novo Industri), "API21" (from Showa Denko,
K.K.) and Maxacal (from Gist-Brocades); and proteases K-14 and
K-16 described in JP-A 5-25492 and US 5312561 corresponding
thereto.
Specific examples of the esterase include gastric lipase,
pancreatic lipase, plant lipase, phospholipase, choline
esterase and phosphatase.
The lipase may be a commercially available one such as
"Lipolase" (a product of Novo Industri).
Specific examples of the carbohydrase include cellulase,
maltase, saccharase, amylase, lysosyme, α-glycosidase and
β-glycosidase.
The cellulase may be "Celluzyme" (a product of Novo
Industri) or a cellulase described in claim 4 of JP-A 63-264699
and US 4822516 and 4978470 corresponding thereto, while the
amylase may be "Termamyl" (a product of Novo Industri) or the
like.
The enzyme stabilizers include reducing agents (such as
sodium sulfite and sodium hydrogensulfite), calcium salts,
magnesium salts, polyols, boron compounds and so on.
Various bluing agents may also be added to the detergent
composition at need. In particular, bluing agents whose
chemical structures are disclosed in JP-B 49-8005, 49-26286
and 53-45808 are preferably used.
Examples of the anticaking agents include p-toluenesulfonic
acid salts, xylenesulfonic acid salts, acetic
acid salts, sulfosuccinic acid salts, talc, finely powdered
silica, clay and magnesium oxide. Among finely divided silica
and so on, porous ones are usable also as carriers for nonionic
surfactants. Further, clay (specifically, smectite clay) is
effective also as softener.
Examples of the antioxidants include t-butylhydroxytoluene,
4,4'-butylidenebis(6-t-butyl-3-methylphenol),
2,2'-butylidenebis(6-t-butyl-4-methylphenol),
monostyrenated cresol, distyrenated cresol,
monostyrenated phenol, distyrenated phenol and 1,1'-bis(4-hydroxyphenyl)cyclohexane.
Further, the detergent composition may contain a
fluorescent dye in an amount exceeding 0% by weight but up to
1% by weight, the fluorescent dye being at least one member
selected from the group consisting of 4,4'-bis(2-sulfostyryl)biphenyl
salts, 4,4'-bis(4-chloro-3-sulfostyryl)biphenyl
salts, 2-(styrylphenyl)naphthothiazole
derivatives, 4,4'-bis-(triazol-2-yl)stilbene derivatives
and bis(triazinylamino)stilbenedisulfonic acid derivatives.
Examples of the perfumes include conventional ones for
detergents as described in JP-A 63-101496.
The high-density powdered detergent composition of the
present invention takes a powdery or granular form. The
process for producing the composition is not particularly
limited, but may be any known one. The bulk density of the
composition can be enhanced by a process of spraying a nonionic
surfactant on spray-dried particles, a process of making a
powdery component containing an oil-absorbing carrier occlude
a nonionic surfactant, or by referring to the processes
described in JP-A 61-69897, 61-69899 and 61-69900, JP-A
2-222498 and US 5052122 corresponding to it, JP-A 2-222499,
JP-A 3-33199 and EP-A 339996 corresponding to it, JP-A 5-86400
and US 5282996 corresponding to it, and JP-A 5-209200 and US
5468516 corresponding to it.
When a crystalline aluminosilicate is used as the
component (d), a small portion of the crystalline
aluminosilicate may be added during the granulation or just
before the completion of the granulation as the surface
modifier for the granules. When a crystalline silicate is used,
it is preferable that the silicate be added in the step of
enhancing the bulk density or dry-blended with the granules.
When an alkali metal carbonate is used, it may be added to the
slurry or at any step during the granulation, or dry-blended
with the granules.
It is desirable from the standpoint of the physical
properties of the composition as powder that the high-density
powdered detergent composition of the present invention has
a mean particle diameter of 200 to 1000 µm, particularly 200
to 600 µm. Further, the detergent composition of the present
invention has a bulk density of 0.6 to 1.2 g/ml, preferably
0.6 to 1.0 g/ml.
The detergent composition of the present invention may
be used in a suitable concentration, which depends on which
of several washing methods (such as machine washing and
immersion) is employed, quantity of clothes or water, extent
of stains, operating conditions of the machine, or the like.
In machine washing, for example, the composition may be used
in a concentration of 0.03 to 0.3% by weight.
As described above, the present invention can provide
a high-density powdered detergent composition which contains
both an organic builder excellent in biodegradability and an
inorganic builder and is enhanced in detergency.
The present invention will now be described in detail
by referring to the following Example, though the present
invention is not limited by it.
Composition 1 specified in Table 1 was prepared according
to the following procedure.
An aqueous slurry having a solid content of 60% by weight
was prepared by using 0.5 kg of MGDA, 0.55 kg of crystalline
aluminosilicate, 4.0 kg of LAS, 0.3 kg of AA-MA copolymer, 0.4
kg of FA, 0.25 kg of sodium silicate and 0.9 kg of soda ash
(sodium carbonate). The obtained slurry was subjected to
spray drying. The particles thus obtained were put in a Lödige
mixer (mfd. by Matsuzaka Giken K.K.), followed by the addition
thereto of 2.0 kg of silicate (II), 0.25 kg of crystalline
aluminosilicate, 0.1 kg of an enzyme, the balance of Glauber's
salt and 0.05 kg of a fluorescent dye [i.e., 4,4'-bis(2-sulfostyryl)biphenyl
salt]. The resulting mixture was
agitated, while 0.2 kg of AE-1 and 0.1 kg of PEG which had been
preheated to 70°C were gradually dropped into the mixture.
Thus, the mixture was granulated. Then, 0.25 kg of crystalline
aluminosilicate was added to the granulated mixture, and the
obtained mixture was further subjected to granulation. Thus,
a high-density powdered detergent composition having a mean
particle diameter of 430 µm and a bulk density of 0.810 g/ml
was obtained.
The other high-density powdered detergent compositions
were also prepared according to the same procedure as that
described above except that components listed in Tables 1 to
3 were used in proportions specified in Tables 1 to 3. The
obtained powdered detergent compositions had bulk densities
of 0.800 ± 0.050 g/ml.
The high-density powdered detergent compositions were
subjected to the following detergency test. The results are
given in Tables 1 to 3.
Artificially stained cloths were prepared by making an
artificial dirt solution adhere to cloths, with the
formulation of the artificial dirt solution being described
below. This adhesion was conducted by printing cloths with
the artificial dirt solution by the use of a gravure roll coater.
The preparation of the artificially stained cloths was
conducted under the conditions of a cell capacity of gravure
roll of 58 cm3/cm2, a coating speed of 1.0 m/min, a drying
temperature of 100°C, and a drying time of one minute. Cotton
shirting cloth #2003 (a product of Yato Shoten) was used in
the above preparation of the artificially stained cloths.
[Formulation of artificial dirt solution] | |
lauric acid | 0.44 (% by weight, the same applies hereunder) |
myristic acid | 3.09 |
pentadecanoic acid | 2.31 |
palmitic acid | 6.18 |
heptadecanoic acid | 0.44 |
stearic acid | 1.57 |
oleic acid | 7.75 |
triolein | 13.06 |
n-hexadecyl palmitate | 2.18 |
squalene | 6.53 |
liquid-crystalline albumen lecithin | 1.94 |
Kanuma Aka-tsuchi (a kind of tephra) | 8.11 |
carbon black | 0.01 |
tap water | the balance |
Five artificially stained cloths (10 cm × 10 cm) prepared
above and 1 l of an aqueous solution of a sample detergent
composition were put in a Terg-O-Tometer to conduct the washing
at 100 rpm. The washing conditions are as follows:
- washing time:
- 10 min,
- detergent concn.:
- 0.067 w/v%,
- hardness of water:
- 4° DH,
- temp. of water:
- 20°C, and
- rinsing:
- with tap water (running water) for 5 min.
The detergency of each detergent composition was
determined by measuring the reflectivities at 550 nm of the
unstained cloth and the stained cloth before and after the
washing by the use of a self-colorimeter (mfd. by Shimadzu
Corporation) and calculating the rate (%) of cleansing
according to the following formula. The rates of cleansing
observed with respect to the five cloths were averaged, and
the average is given in Tables 1 to 3 as the rate of cleansing
of the composition.
Rate of cleansing (%) = (reflectivity after
washing - that before washing)/(that of unstained
cloth - that before washing) × 100
Claims (5)
- A high-density powdered detergent composition which has a bulk density of 0.6 to 1.2 g/ml and which comprises 0.5 to 30% by weight of (a) a glycine-N,N-diacetic acid derivative represented by the following formula (I), 20 to 50% by weight of (b) an anionic surfactant, 0.5 to 5% by weight of (c) an ether-type nonionic surfactant having an HLB (Hydrophile Lypophile Balance) value of 10.5 to 15.0 and 1 to 30% by weight of (d) an aluminosilcate, each percentage being based on the total weight of the composition, and the component (c) being contained in an amount of 0.5 to 10.0 parts by weight per 100 parts by weight of the component (b): wherein R is C1-C18 alkyl or C2-C18 alkenyl; and M1, M2 and M3 are each H, Na, K or NH4.
- The high-density powdered detergent composition according to claim 1, wherein the anionic surfactant contained as the component (b) is at least one compound selected from the group consisting of C10-C18 higher fatty acid salts, salts of sulfates of C10-C18 linear and branched primary and secondary alcohols, salts of sulfates of C8-C20 alcohol ethoxylates, alkylbenzenesulfonic acid salts, paraffinsulfonic acid salts, α-olefinsulfonic acid salts, α-sulfofatty acid salts and salts of alkyl esters of α-sulfofatty acids.
- The high-density powdered detergent composition according to claim 1, wherein the content of the component (b) is 20 to 40% by weight.
- The high-density powdered detergent composition according to claim 1, wherein the component (c) has an HLB value of 11.0 to 14.0.
- The high-density powdered detergent composition according to claim 1, which further contains a polycarboxylate having an average molecular weight of 1000 to 100000.
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8558/96 | 1996-01-22 | ||
JP855896 | 1996-01-22 | ||
JP03378696A JP3810847B2 (en) | 1996-01-22 | 1996-02-21 | High density powder detergent composition |
JP33786/96 | 1996-02-21 | ||
PCT/JP1997/000109 WO1997027277A1 (en) | 1996-01-22 | 1997-01-21 | High-density powdered detergent composition |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0881280A1 true EP0881280A1 (en) | 1998-12-02 |
EP0881280A4 EP0881280A4 (en) | 1999-04-21 |
Family
ID=26343099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97900463A Withdrawn EP0881280A4 (en) | 1996-01-22 | 1997-01-21 | High-density powdered detergent composition |
Country Status (5)
Country | Link |
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US (1) | US6174852B1 (en) |
EP (1) | EP0881280A4 (en) |
JP (1) | JP3810847B2 (en) |
CN (1) | CN1090233C (en) |
WO (1) | WO1997027277A1 (en) |
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EP0999264A1 (en) * | 1997-07-18 | 2000-05-10 | Kao Corporation | Powdery detergent composition |
WO2001012768A1 (en) * | 1999-08-11 | 2001-02-22 | Basf Aktiengesellschaft | Mixed powder or mixed granulate based on glycine-n,n-diacetic acid |
WO2003055969A1 (en) * | 2001-12-28 | 2003-07-10 | Unilever N.V. | Detergent compositions |
GB2415695A (en) * | 2004-07-02 | 2006-01-04 | Reckitt Benckiser Nv | Detergent composition comprising a chelating agent |
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EP1003826B1 (en) * | 1997-07-30 | 2004-02-25 | Basf Aktiengesellschaft | Solid textile detergent formulation based on glycin-n, n- diacetic acid derivatives with a highly reduced proportion of other anionic surfactants |
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AU2010251173A1 (en) * | 2009-05-20 | 2012-01-19 | Basf Se | Method for producing a spray powder containing one or more glycine-N,N-diacetic acid derivatives and use of the spray powder to produce compression agglomerates |
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DK3088502T3 (en) * | 2015-04-29 | 2018-08-13 | Procter & Gamble | PROCEDURE FOR TREATING A TEXTILE SUBSTANCE |
US20160319224A1 (en) * | 2015-04-29 | 2016-11-03 | The Procter & Gamble Company | Method of treating a fabric |
ES2682178T3 (en) * | 2015-04-29 | 2018-09-19 | The Procter & Gamble Company | Detergent composition |
EP3674387A1 (en) * | 2015-04-29 | 2020-07-01 | The Procter & Gamble Company | Method of treating a fabric |
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DE19543162A1 (en) * | 1995-11-18 | 1997-05-22 | Basf Ag | Solid textile detergent formulation made of inorganic builders, glycine-N, N-diacetic acid derivatives as organic cobuilders as well as anionic and non-ionic surfactants |
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-
1996
- 1996-02-21 JP JP03378696A patent/JP3810847B2/en not_active Expired - Fee Related
-
1997
- 1997-01-21 WO PCT/JP1997/000109 patent/WO1997027277A1/en not_active Application Discontinuation
- 1997-01-21 US US09/117,026 patent/US6174852B1/en not_active Expired - Lifetime
- 1997-01-21 EP EP97900463A patent/EP0881280A4/en not_active Withdrawn
- 1997-01-21 CN CN97193134A patent/CN1090233C/en not_active Expired - Fee Related
Patent Citations (1)
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DE19543162A1 (en) * | 1995-11-18 | 1997-05-22 | Basf Ag | Solid textile detergent formulation made of inorganic builders, glycine-N, N-diacetic acid derivatives as organic cobuilders as well as anionic and non-ionic surfactants |
Non-Patent Citations (1)
Title |
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See also references of WO9727277A1 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0999264A1 (en) * | 1997-07-18 | 2000-05-10 | Kao Corporation | Powdery detergent composition |
EP0999264A4 (en) * | 1997-07-18 | 2002-04-17 | Kao Corp | Powdery detergent composition |
WO2001012768A1 (en) * | 1999-08-11 | 2001-02-22 | Basf Aktiengesellschaft | Mixed powder or mixed granulate based on glycine-n,n-diacetic acid |
WO2003055969A1 (en) * | 2001-12-28 | 2003-07-10 | Unilever N.V. | Detergent compositions |
GB2415695A (en) * | 2004-07-02 | 2006-01-04 | Reckitt Benckiser Nv | Detergent composition comprising a chelating agent |
US7935668B2 (en) | 2004-07-02 | 2011-05-03 | Reckitt Benckiser N.V. | Particulate |
Also Published As
Publication number | Publication date |
---|---|
WO1997027277A1 (en) | 1997-07-31 |
EP0881280A4 (en) | 1999-04-21 |
US6174852B1 (en) | 2001-01-16 |
CN1090233C (en) | 2002-09-04 |
CN1214079A (en) | 1999-04-14 |
JP3810847B2 (en) | 2006-08-16 |
JPH09263788A (en) | 1997-10-07 |
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